Based on this product's specifications, here are some alternatives and similar models
CellPack MZ 00 Resin Cable Joint 1.5-2.5mm2
Summary description:
The CellPack MZ 00 is a straight-through resin cable joint designed for reliable electrical insulation and mechanical protection of cables with a cross-section of 1.5-2.5mm2. This high-quality jointing kit ensures a durable, moisture-resistant connection for low-voltage power cables. It is suitable for professional electrical installations in various environments, providing long-term safety and performance for cable joints.